Whiteside Manufacturing USA Made - Professional Mechanic's Seat with Swing Tray (SPP25DT) Handy 3-section tool tray that swings out and similar tray underneath makes it easy to access small parts and tools Four 2-1/2 inch oil-resistant rollers swivel easily Wide base for better stability 15 inch x 15 inch storage tray with magnetic strip to hold small parts and tools Ground clearance: 2-1/2 inch